{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48975",
    "entityType": "User",
    "nonce": "0xc002670e201ef19e88712f8b0db4c9aa13a518e53eb52199a7edb8f6c5f4b7f8",
    "signature": "0x2f4f0e3beebba9846194bc5d00b46771e1c7fe4c1bcce9dfe04b299c4fe022496a80ceba92cc00cab845506dc4fcf4ece83fa826e73a76725b461e1c7c7b74661b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}