{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18827",
    "entityType": "User",
    "nonce": "0xc5112910cba209b028dce3b4b58958e43351e6c8decbdc421d43ec0891826019",
    "signature": "0xb0588365b3e067825c25460cc165ac20803e6e6ece3433b3dd2687e20a78ff3675a46ad61d0e641006605725a7043296cd358f2a0c9a59df70a7799720f6b17a1c",
    "signer": "0x8125AfE6cC2f6619338afC8F5bF3f767873830A6",
    "userId": "790516543"
  }
}