{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xfe599830f3497d8e0268f3da7dd42d2b9e4b9d3f49fe8be0c0603d07d2d8ff2c",
    "signature": "0xd43b5eeb0e28555ed94c9d824147f4d4678e85d52b1801bcf36418e8f726a7a56aacc6c174ef473a2d04971ff3bb8096ed4e0be02bef78c6421b281d042203361b",
    "signer": "0x49aCa476D46A8DeCd8789B82a5E5c05d36dF4FdE",
    "userId": "305528134"
  }
}