{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "782825894",
    "entityType": "User",
    "nonce": "0xaee54ca4bda2e46ef276922e78f8f94f5e700fb837eb633744936f4fb5c45c44",
    "signature": "0x9abc3b7d17926153536d29732255568aa0377c525b5e69deb18d28caf542b07e2397af220ac8e7d69e1a74d6f9291f66d04af0b55b11fa5ddb00df1735ca882d1c",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}