{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "887547386",
    "entityType": "User",
    "nonce": "0xa71043eb625f8228c56c2e0207aae0f55619c73a460464429f5ff785498f6729",
    "signature": "0xc1ade1990b81b6bd13737ad346cbc9501064a8f15b8e32dc771edf783d9a178c1a0d8a3dac2f642779185bd1c0ea5315b008b9d52f3ae0338938a4b3392585921b",
    "signer": "0x96339e3C19861DFc37C9670Da1cF2d718efF3FF9",
    "userId": "126262"
  }
}