{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827420993",
    "entityType": "User",
    "nonce": "0x4cce8360784fd5aa292e670e9f1616625401ad5d3b3dcb7331390823d249f878",
    "signature": "0xa1d9433a72e424ca125e305988518af136fe34890e7dc3c07e4b03bd4c30ed2d667949aecae35b98318770ea48d8a7e71363a972583f62be7831b4698caf6df41b",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}