{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "239451221",
    "entityType": "User",
    "nonce": "0xf1c0c167b6e3c503df737579837f5e3347dc824aa8a91c9dbb978fff4ee370b1",
    "signature": "0xa6d21af7f7654519a6498ff8d207bcc9c75ae1ca6e11a9c74268844a5ecddb1f71411379afb934b4fdbae646489e7daa748209f6623138ad6fec7e7773f369631c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}