{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "182428",
    "entityType": "User",
    "nonce": "0xb1c72b721d9e843dea16d349eea1aed3a8a12a649f86925f87b84ee7bbef0565",
    "signature": "0x18463401288541f0ce146a42f633d96ebb70ba51d28c664fd203775086e0d86b13b8b51f65db3c0f5eb463cba4e413f37a06684502ff5115f45a0926230bb80c1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}