{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1366",
    "entityType": "User",
    "nonce": "0xdb410f01788bea3f0a7d700770180ca78dc480e86f0396baa68b9fe7a7a0eced",
    "signature": "0x309b9f9f2f6291427cf3b294471b9ec98d9717aebeaf31d571d31a15f7fca310346578f068e82dc9793404f90ad24bf50f576825f2148a84b1118b78732dddda1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}