{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15600",
    "entityType": "User",
    "nonce": "0x79fc98dde04b05520cd99ec2c89dfcc24373017b48293963bdc0f4da426f7dbd",
    "signature": "0xfb2ed2fef6ff13df80ede9e5d68641fdba877df465e75421bea7fb481f5c92e77e1158b5b874763fbdb18256575933fdd5a80f8cc018a98bb21c6c2a008ad1481c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}