{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0xf0afc8981186a0170c0b0d34ed3a09f45cee4efcdff6c605995bc6b63d176ec2",
    "signature": "0x5c1ec4206de8dd1751e56479e9615d10992b7baf9607f1a173cd6a7e86daf68b7056959fe76f8bc1fef98405bef85e53e7f6907eb16cdee46d23da13f891c6181b",
    "signer": "0xA89E32Ecf2E082BcfF6a50CAbF1c1b752B4183f3",
    "userId": "776618383"
  }
}