{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7465",
    "entityType": "User",
    "nonce": "0xc298d3caab8705bc136d89c2aef6c6b7db95f3271b3931e366a9659f3bef901d",
    "signature": "0x51965f75b65061e1f3e7b8eaebc317e6dd0ed98bbd36aabc21a6936eefe9c5a27085f4aa42b17ec4f1e1a20cf02d28f7abe0fe2b94d2ca9119e5ea5894db94661b",
    "signer": "0x44Fe9338D9d1405927C73FDA0be0F36ae481Cd39",
    "userId": "983568397"
  }
}