{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "81629",
    "entityType": "User",
    "nonce": "0x1510eec907bc872c80672437b647bde7bc613e88db24bc3d581308a5d9f96895",
    "signature": "0x6fa6e28991ff5a2dcec002e19174d98664a6f53153ed91f7f053b454c3aeaef37110904a3d5b6f49a3da4e347b18ec533056580f787bce8d953b88f783d5baeb1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}