{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175035",
    "entityType": "User",
    "nonce": "0xb21e20575edc3ccc360669e13b61f5d9364a25650097f73a3a89c7ef647f887b",
    "signature": "0xf61d3bb714e8f5adc65e729c234947289dd0518452dd188f5b96c9ccd0a0a3eb1d0558294a6afb77ccb7f9df0208ee0dc379c367def881efb7cef49070dce1231b",
    "signer": "0x63762Ba099c2247aD3755af8aCb1d62705f0D5CC",
    "userId": "851444561"
  }
}