{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "185108",
    "entityType": "User",
    "nonce": "0xefe4899c82b4f54c6c74a43d2f361d5e1643a4c9170f09f0a2a0e60ef86cafb9",
    "signature": "0x4e59a52850e6a0f80f619212160bf942d8a6e1b5f6e534df106acd57e73532175bb5b858b078f559d0bacc95e0fa4948c0bb25f1becacf4d77f5cd9f42a8314c1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}