{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7494",
    "entityType": "User",
    "nonce": "0xc940346ce737833ba78aa0c3f5b465a6f45209069b490e54a319685cdbaa75b2",
    "signature": "0xd3b5f65596b4235e6548e5c6d1b38c5771bd880a2927cd13890874bf6e007ef96e6685efd42f4d868543cab126b5cd3d44c6e6b63d2c167953f66f13d8f1e2621c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}