{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "828368024",
    "entityType": "User",
    "nonce": "0xc13fed024c7a6aba1da30ebd23b56def8fe6bda9ef00b0316fb1d21b5089da66",
    "signature": "0x397374acdcbf9e2ba6b6eb5574e3a1c3d18e0ce2d45e669ff7a9f46d9a347ddc1f2127891c434e2cc819e6c73e366c4159014afe927ca7726554186429c4d0d71c",
    "signer": "0x53f39D73a2dd51E9e8A362EF3b1383072E37cf26",
    "userId": "74209883"
  }
}