{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0x2d77a126f34a9d31c194ff3394ea7d195581f924769b1cf1a0e36daccec454ff",
    "signature": "0xbbd7cf4e641a3bfb212a5d49c838d6c4da557f94ccf9ff3eceb890366e527606519dc0f7cda5a743efb49bd1dba2fbeb579336d0c310a5cb49e890676a1d6d6a1b",
    "signer": "0x2E09706d061Da2bB66d01F583c734E89CFCd23D1",
    "userId": "14811"
  }
}