{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "704781584",
    "entityType": "User",
    "nonce": "0x8489ea6e2fae8333085223f28a6453a445e127239be3fbaea73ada9376ba7023",
    "signature": "0xf11cf4209c90c28161dbebf9c74a32d2ee490e3908a90b3ecdefb293317131c11e753f962086932e17baf42f72bd54902f44b60dee11d215b3c8189c0b7d41811c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}