{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "232622",
    "entityType": "User",
    "nonce": "0x5d5beb8f57de9de2c45f553a8faa53987845a2aebf3fe8fd830991537a517576",
    "signature": "0x1370e2fd76826f906e7a315648f546741232cb0cbbd7f4622c35f3ef1c3b4cfe61dc40c0878a988b1bccec06b6040c3a93d5b4948c05d713846c6523e5a8ef0a1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}