{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89",
    "entityType": "User",
    "nonce": "0x5b3acdf71427340a00a70f961b616257405899d8bfa2f795f2d364cb9ba0bcea",
    "signature": "0x667fb2c5d5ace2f769bd53b1436aaeb99ff1a8f35f55aac0bb47ec718cd996f1458210cd86a7766e7b330dcf523fb1f89685ef0c2be0fde45608b3c052bc88e01b",
    "signer": "0xf4932982eB30F083aAeE8850Fe5d411b7A5Df5a5",
    "userId": "746635137"
  }
}