{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "135998",
    "entityType": "User",
    "nonce": "0x5c00c4e5a54d8e4b6ce5c39ae36619b0172a24676d56b7f30a93553d13bca1e3",
    "signature": "0xddeca53f1026ef9b639842543977f9c9aa487c06f0da3e7e9b0b8d5f7d3f8240024f66c0294e4f322c96cd3fb33290a60348ffe3a710cc87824f6b094eee23921c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}