{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "116100",
    "entityType": "User",
    "nonce": "0xde9cea2d0fed1205fec27b3bdb38509df6ec51505269c35a87ec4dededc14a97",
    "signature": "0x50fac52a93295a63a1d9080b244a2428b64772e874d31f520c902a5b503ed19f3d4e88877025dfa5e7e00a6e631648a88f70a64b4936b90b350c7d7634aa2ac91c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}