{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2530",
    "entityType": "User",
    "nonce": "0xff98184c40c589923ab2423cfd1312882119aeb43ecb49ce1ace328037287ccc",
    "signature": "0x8279736dfc084580f40bb3937f68f4719e7073298775ef8565110078e20209c6004090e158b83016eaca9f4d5b68a4840afb5d8a7c9c12ca6924bc66d3d86eb81c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}