{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x4747b93416ac2443fae4d69d7945bb039868ac134f66e2e2a349c9b2d9e289de",
    "signature": "0x4996a07b9da744babdba6aaad954329c6fc38d15efae8571c45b2a3f75cc392707265239cadc80eded4f8f5fee78de00dfe1d975a2df6aa09e006183a9d60f2e1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}