{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x67624be4a71208263d0e5b14d6fff42ff8a5dd9f5900545b1d9c70eec96f3796",
    "signature": "0x495901bab93ca808ac01c45c170150afdcd84421cc8652fd0b49293e46c2ebf0079e51363f7e139a049de2360df0803a6fe7bb844f9753e8d1e5e12f2ca562ed1b",
    "signer": "0xdbb5FeAE65617ed3C8616A66B1152898647cb83F",
    "userId": "936213876"
  }
}