{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "293",
    "entityType": "User",
    "nonce": "0x0d313378f0c20e000ec287d6c613ef669510c9582a3fb917a92e4ba2700fb733",
    "signature": "0xa3c678313a756e8b66c48cea95af575f51715e5b35388570e777ce60b330b21464d708045487d253ef7d0b65d3ee4abd49a223d784692811bd3a755136d7a67b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}