{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "970214396",
    "entityType": "User",
    "nonce": "0x3d6debadbd837325d76d1520741482abce5dc2dca036e7e6552729b5b92c451d",
    "signature": "0xd104a1c215cdf1c2818d83d59df9ff1736493d43c88d351cc799971ed642e7053550b02a4b5b2efa7aedb94b003488a33626511f739694f316855897dc25cfbd1c",
    "signer": "0x5862B3fDE38f9f86C982a97E06770f9e39746199",
    "userId": "386267317"
  }
}