{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xbd01c934c171f25184256c402692eeddc5d9bbdc69d211ae6f5a3c64a6aadfcb",
    "signature": "0xe23021fd29782ebb5d5a0e875b317d20bd2f11994c9a55ba89746d0be6a4d57526c97e0715ddcce872e5e795396a54aff123a9bae88be93e939ffa5f6c13fe431b",
    "signer": "0x1b3E9Ea15dF71Ced48bA8E493c9BBBcBFa25823a",
    "userId": "913385866"
  }
}