{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827803944",
    "entityType": "User",
    "nonce": "0x510a904c0cf17c94ec4af3ab7adccc5208e886aaf11f1a964cca67863fdd12e9",
    "signature": "0x6d1821bae9f9ddab825afa8bc0411b912e115d658e62391e3fd1331f53e07b4d507c0a937c287ccefa9fbe16db5ae2bf1b351e975c7813ceb2d21f9db28a70271b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}