{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1696",
    "entityType": "User",
    "nonce": "0x92720357feef05b72647692ccaa1505176e0d2682b59d8863155a3906583d577",
    "signature": "0x26acede1f95c72e4caacdbe02a7ed436065391e4256ebfb5e3721a290565a21076ecfe20089eec3d5503d635ddde6752c737bdb8483e2dcbc910d67d43b3593f1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}