{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0ebb9f26930860541bd38b774ffe83015de410ca7a0ba3430d2b785c3ab0db4a",
    "signature": "0xd937b432e79ae09ad6541d406c58fbe3ae969a85a74ad3114ae690fa337734df4fae9d148bae929a8f0dce80ccdee08bb60572b1d392d2497a70b60abaa4a9f71c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}