{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "36721",
    "entityType": "User",
    "nonce": "0xcd9dfb5c9267db74ab6fb6aa74631d26622d95c53d2de2599093142b6362d726",
    "signature": "0x45d2082ebacd1c831a5fc65d32357e7b42009df08c1ac481aca7d782fc8fc98d65950526158558a8b85f1abe59c8c61643f5b4870a58d54e3d66a0d99ba54a1e1b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}