{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x2b07d45dbf79f1ea893529d261b6820fe76aa1bb52a6003801f048504b19c021",
    "signature": "0x227844009460503545ada9416a926e579e6efc7396b2178a2f1209fcfa25f0c1541e4902b757145bd0968d54a57accdeca66301cc81b498f4482715b26bdcccd1b",
    "signer": "0x4FFEe482f9b3AB59D65B95beBd8ab05c11ed0f67",
    "userId": "463353146"
  }
}