{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1791539",
    "entityType": "User",
    "nonce": "0xe2bfcfb01891ba15b4a546e6589345b99ac874093e435a8746db1d7e1de33565",
    "signature": "0xbd6cf2e1f5b7f0bafa48609d0f3cdb8da1bfdbd8af1d28d26be53f0941a92ac51b8a8af270a14818ea2848e444fafa95827e803b8ee82b90a34b442623d4c0831c",
    "signer": "0x8D6829429c8794381a8c3bA2E4f15F99e5C119d4",
    "userId": "152462878"
  }
}