{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "235338",
    "entityType": "User",
    "nonce": "0x1841319cefc9c5ebc7dbc4d98a00daefa6d9f22dbde22b7b716f10ca48e29d2f",
    "signature": "0xff31572bdc3ba8f008b2d00247655c2c4abba14b6cee5983d79312a11794a9f06ee67fecb6ca321693de7cbf7489be712ee201315996dc098bc962ff98c782511c",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}