{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "994858715",
    "entityType": "User",
    "nonce": "0x7be563d684b28a74229729fa5ce920b3187ef05956862bee1960f10a0366854b",
    "signature": "0xbc99ee90a1f7d731c5b4af5d306fa9b6be1693b1bcc494242242d28b0dd69fdc4b199f385c606975aa0f61a397fca09963f18081b4c8f6842bf7f0eabebefc601c",
    "signer": "0x4a4E686a6442e2Fc2495a7d4363B25c583Ea3c3a",
    "userId": "34815"
  }
}