{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "665370465",
    "entityType": "User",
    "nonce": "0x3b629563702a09d0a25aede5fee4875cc9996981d88829a60466cd9cbbfee08f",
    "signature": "0xa3963a0ec3476951d6eab9810823194d3244c2aa735800857ccf55e064bb3fb944e52bce62d77d813ff62f4f60e3c351fcf3dd2aa07bf02afc71490e50c3f3691b",
    "signer": "0xdEa655B0BEDD55605f1a7F99e27f7c00610c0B32",
    "userId": "594690301"
  }
}