{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0x5f07101bbea03a07d69bf6ecb94e4f6dfd02e706a0986a5d226cc1107af849ba",
    "signature": "0x120feb3356963c81b753d9ae21c68430d9dc30809d6dca704a05656662e4cec80d8fe06b53958e4b0daaec37e8a00c7a9e39e5573333a063f19401530367a3c71b",
    "signer": "0x4b1189bC8Aee2eb6CeD0578e2f69157Ae9DeC090",
    "userId": "67696412"
  }
}