{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200162",
    "entityType": "User",
    "nonce": "0xd8198a7d48cf05d52350d193e1ca97dc92a6663705af2e73be254f4c8233c530",
    "signature": "0x056dd300a4abceaccde523f415d398f97e3f34b04a45f7e3b985f673a00b98ec04a104a36874caee569fa2a56e93528f8012aee1d1afaa52d308949fc4d03fbe1b",
    "signer": "0xc6BdD536e3FE1222591b7bC56F3Df6d6a8b74Baa",
    "userId": "387770103"
  }
}