{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1326067",
    "entityType": "User",
    "nonce": "0x9f3ba1543d674d2ee9839e140b4857911ad0c889e282862b4b0295aa1d51a1f4",
    "signature": "0x748c49e0ecf8e783cb90958f0700615c27876e54fad53bae36e31694b45ddcf233f0e6e22dd084e94cc39a736f78603531cfe6ba1586b7028358d1804cbab96a1c",
    "signer": "0x8b61B87EFfC875d065c2aeFDb0424BA7d522ce17",
    "userId": "723815891"
  }
}