{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "936976796",
    "entityType": "User",
    "nonce": "0xf69e6bd1201329053b0c94b79030acebdd2204c498fe9338dec6bd8124ad523f",
    "signature": "0x53c93315f9a12088849dcff719e5895ebac0251ed7f214b00e5b71afe00de9cb27616bcb0d3b8fbab3513164c33e678123b2180927e58943465e961c1a5b52351c",
    "signer": "0xF2c19977A72e7f63bBbD9063748E52c002b22f6b",
    "userId": "957488166"
  }
}