{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "681465788",
    "entityType": "User",
    "nonce": "0x2b20afbd157bc17002796c6ca8e4a91e258eee73c6fadd4c39a0d2f0823b19eb",
    "signature": "0xd75f693377803b3fb853d9facf084f577a88fb1e21d22794f1f7d65fe5f880750c8629b1d63582d8e1dbf361cb5bd8337fe1f196650dd8a6a82ee6f034ab762b1b",
    "signer": "0x42cB1e20D724BD902Af64cd85c700BE6118500bD",
    "userId": "47154652"
  }
}