{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x546de7c7853d6e3a83830bcdaf830009f3e0c70df69bd6d652e9a5155f15ffc1",
    "signature": "0xf95bf751db2c14024a36d5dd1e26d846816e2a25a1477fdf20b1262a77eea6e475a96788b8e93b560ec30ea851fc4bd0e2a905e772b84856143daf8289b0f7831b",
    "signer": "0x3e16afFf69eC32202c1B755Ad919C7aA325B7aBE",
    "userId": "902811065"
  }
}