{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x34ec78f4cc9ace33b1fca5de6a5ac4ca0af95fc58ab28b0295bc340af6b87f46",
    "signature": "0x3138426054a633166de89f6fd13a28adda60efc5731153c98562f579e894648c5850002a2d65c372fe25f60a0b377e2345bce08dc9e373a818984e1dfa7be1b71c",
    "signer": "0x24A60f53A071b746bbD63fA3be65c68d6295c847",
    "userId": "693365797"
  }
}