{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x00c3eede8a0197a022791093b8fb14dda2ca663aa1319215a21be14d50314e08",
    "signature": "0x8221c39ed16b25dc92e1fb537dc755c2e66c4f6e93d63bccbb18a49457424ebf041027a7edd1b5a028f0bf24a15dac455d9210cc72de45d20e0ebc591a01d0b81c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}