{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "254280",
    "entityType": "User",
    "nonce": "0xc0ddfe1560d55ae902ff2c34ee89cb50dd5673084f99d9c6798e197a384422b1",
    "signature": "0xb624414feed59a62439a13b88a4dfc4178471561efe2741eabc4583e4515c6eb64df3c8ea624ecb124b31bdf4af23895fe5a52ee02e733467cc009d72d91cdb11c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}