{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "171594868",
    "entityType": "User",
    "nonce": "0x48aece85896176280d246091f9a6d25e2e12a0b5cdceedeaa351f6ef1b9da50a",
    "signature": "0x69138ec78074bbfcbec99b699738382e35c59b56bc8e429597a0ca77c585558a02babb5f3a983f2dc54e3caa92ffad7c032d084a148631252af1b536dedf63211c",
    "signer": "0x3e16afFf69eC32202c1B755Ad919C7aA325B7aBE",
    "userId": "902811065"
  }
}