{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "286272",
    "entityType": "User",
    "nonce": "0x979b0b15d2fed9cf79002ce99d249033b163edd483acb6dcccf9d029a923186f",
    "signature": "0xbb8fcf8e74397fde196c0e5aa8457cad9b5772f1164666069d485531129b53157cdc2d060dab94fc76ae5e2e06bb3eeca1bd39c6a12e4e35f769759607fdb3791b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}