{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "172041745",
    "entityType": "User",
    "nonce": "0xc42eed0ef4f5a1fe8c492a02ce482257519a21d4b11585c71c53fa2a8c797a6b",
    "signature": "0xbc0da7144feda1714066e46db1ee211ba1f97ebc1105513a523729bc0f7062964103faa0263d32338e3013bfc300909aa3b6acff42b3c805a9f38434d438b3501c",
    "signer": "0xbcF27CD259a120e92577BC7a7EB95670b3A0E2fA",
    "userId": "105402635"
  }
}