{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "580720856",
    "entityType": "User",
    "nonce": "0x1c16f86d1fb4e755abaa246a1a864a8c352f3fd963585459c048a6a388432b47",
    "signature": "0xbe26d609e855e10698702f84140ef2d8c0c882cd2234fedcc5f897844399043e0f9947f6e58c0c0aa43ced5b02a7dd877f5802aaa64e4acd02863cae9d48fdb71b",
    "signer": "0xe270C91f9476B885124d6c0208211213dC10036a",
    "userId": "94825285"
  }
}