{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "772732",
    "entityType": "User",
    "nonce": "0xf38b695707f5c051b0a1dd78d2eb8f16c62e3a5acde8fa3c65fd7ca58ad04982",
    "signature": "0x1da304b57eaa1a2351759e332eafd5d0f00188e1a3941b82d83444de788075f679ebdb0b1f005e1f3e8858855f464de4a812efb239dde0b558727a9fdc11610c1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}