{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "153186",
    "entityType": "User",
    "nonce": "0x19555e18cd754b1bdc698e8c73dc5f400a2e54108a4e7d5352bae2de373e43e0",
    "signature": "0xcb5bcdbed9c35f350f2bad1e51c3da0ed930ca65f0eea1e383b1f5595faa262a60a986780f032b6c1e400c6afabba42334761526b8077eff7c8d0ab7929a00781c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}