{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x092a5674833005f2051b431ca82f8cffee083496b941a15d19c2e88b7718d296",
    "signature": "0xa6c054dfd0d5676943f9bfdfe3f1f2c09eeaa3511411af4430e3f89b1ea564555d0dc7813c8fe0898110a397bf20f9f92e083926108193dfe44223e02a56dcc91b",
    "signer": "0xF2413dD63E784AC3799E04F907188c439E2669c8",
    "userId": "805481121"
  }
}