{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xa1d154c0cab74cc905be5c251bf6b6afd88b97a4d96a0764e5bbb832088e4f5f",
    "signature": "0xf990a66b84ff4a9147dd6481fe17a5acd7654dce1798c15eb752067205951a787d23e38ec0801fe07af87a0bf373ebc9f9b2ae919e5621c233bc9472ed441b491c",
    "signer": "0x1b3E9Ea15dF71Ced48bA8E493c9BBBcBFa25823a",
    "userId": "913385866"
  }
}