{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325935",
    "entityType": "User",
    "nonce": "0x6d65dcbdc5ef27a2435b11e54e67a48612938ca7c384fd1c72a603ad0938ce81",
    "signature": "0x4b72ad52ab004906db80e0b12e9ede69fea1c2d867708cf94bbe0ed77b22f31653e437da607f0256b1d97bb45269cb6db5857dcbf7f6299bc31c5f269a73798f1b",
    "signer": "0x33c702d534707f8Cada5DdD521C5900827973f1D",
    "userId": "5642"
  }
}