{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "275305",
    "entityType": "User",
    "nonce": "0x10a7c025125249273a8af07f2659f4da29e3fd85c9c0ebc8763802c48eb97d83",
    "signature": "0x719ab96be3ae8d31a2939e1dd287db484daef195778fe66c5d819a75ee33d1926b400d96b3051572178076bf9bfe95d7d98dd0c64711a2a519774f974e0ef5d61b",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}