{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117501",
    "entityType": "User",
    "nonce": "0x174b283a35381f1c4cd9cde1c6f3306b066f9d0040250edb91e76885e18286de",
    "signature": "0x787b4d01029be1e30bb88211d5337251da5490ca89a15c28cc56f2bced65cd613abebb6b531390721bf4c3c33a6bb5fb1b86aeb08d09477390e4bdd06dc112921c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}