{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325624",
    "entityType": "User",
    "nonce": "0xc9c441ab8b09c784e3d895898f011e2f2656e21fdf7c50047084ef3eff5e5af6",
    "signature": "0x6241c3a32804ef75e57ca50b33cbee6704cb309a7a03205b42475b5627d6585a72f906ad62d205070a4bbe4b35448fb9db7306c17fda681d37c9ba3f0ca4af341c",
    "signer": "0x1c4Ee34565eE3A8304706138026D7518821F356F",
    "userId": "584804802"
  }
}