{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5554960cee1f3d53b65bc2c26b0242bb2a40b46e2ff85785562b0bdb2e82fca2",
    "signature": "0x04bd27cc4c0ea8ec23313cf86c6fc4e5416316ca78a0814958d41f27ef9030995e200d94d842a23c74ec2fb184693aad5f00a6c71ee3f7099f30d317da97b1f61b",
    "signer": "0xedfD58D5d082Ce843F3f84B08f027aB709BaA5f5",
    "userId": "386423139"
  }
}