{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "295399",
    "entityType": "User",
    "nonce": "0x0f86de996e98e76b18dd239e1dc5623a1288b7ab926bff31e21aaeff3f80fc88",
    "signature": "0x902a90675b06e6e327af8109897ff57d916e4be835e568fac8588afa09b2dbb92f87edf79ad3682ff0cdc893f2ed543e75f16c07cb90ba2115324ee805451f5b1c",
    "signer": "0x98fC2b30E6e70e62dB2b5fAE7b0292DE3D4323Bf",
    "userId": "480962013"
  }
}