{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "315091",
    "entityType": "User",
    "nonce": "0x2d4454880e0c36eea1caeff67af6b45b57b1cf3ef3482d8a72911c59b835538f",
    "signature": "0x89c44e8ec925f3be680eff7f2c511a36bec3b88cb238f50558b35a56e56f395e43c431bc08fabf0dd3e96a52ae608d7cf10b1a6d60afc009f48071ee3096a7cb1b",
    "signer": "0x3fB3464202dCA960F65e2706E5749EaFc41e4b48",
    "userId": "826685732"
  }
}