{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "255055",
    "entityType": "User",
    "nonce": "0xf412b4bcb1ffb2506559b96a6f9c90a22e232f56635bd0111dce1bd8ac777872",
    "signature": "0xae35445aa1a0e4bd6179f1ca6e0484d45d8fd806e17e49632343fede974bab4b364a2052c32a4b475f303bc37eedc7fad249d31dcb1d6d75a0ca2b35d8d447ce1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}