{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105562689",
    "entityType": "User",
    "nonce": "0xb0472a5e6fe271bd6c08490aa4288f45cb7c4068aff967f19030af94a70b858f",
    "signature": "0xc4b1bbfe372f9b5eb4f0540ed87a99098dca4e83fd71ede3734ec86fc311c5af1768ffc1a8e61b8fd73e499019546abb0f99d2428fc0f5d24f4d36ac4bb8dc1c1c",
    "signer": "0x42cB1e20D724BD902Af64cd85c700BE6118500bD",
    "userId": "47154652"
  }
}