{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4856",
    "entityType": "User",
    "nonce": "0x13033b859ad48fdd86ea2d29a637260445911396d73c8c945d7d03995d587db9",
    "signature": "0xf71284d41bcde632cd9d8492e1eb35a84e1120043e19e93695700749388317415899981e650ba15b85764f77b2ab991f0ef5de478a0002b9c1caaf39af3d33631c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}