{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "487028014",
    "entityType": "User",
    "nonce": "0x8378f080699deece931c515c20b9d7643fdde4c7abab84fa9d5307e3dd91c363",
    "signature": "0xd3e601cce247d69176df0277dd8bfcfe87cfc5fbe66be1bd5f9dad1af6d432a932c397b7c030fdd53a7a251a0f267738102d1331f73bedda0d39d21cad8a5ce21c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}