{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8223",
    "entityType": "User",
    "nonce": "0x049ec1ea6718bc69dd78a94e0d77886ad3b8ca51116964e640e804081da0493d",
    "signature": "0xaed8be703882bd640d69091f15ae12d56ab295a113be23528d4f6cdde3e14362649454c1362e6e90881d000bb787ad29572686dcb4371a1893c68e73c2dbbfe21c",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}