{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16245",
    "entityType": "User",
    "nonce": "0xd06e5a29692a4276a4f715afd508b0ede2658e95e943b6881858a0c28afd2296",
    "signature": "0x0ff4cb411fc51bff03d5ca5c1de1f62509cb75fed948901bc14bb40ce435e28700cc7f086f30c0cdfd570a149247772081f77bb8d0bdf4a9ea7a03b447eddfb91b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}