{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "986621",
    "entityType": "User",
    "nonce": "0x5cd6378406377a751017863623ea3207697053169bb792ccdd79d7600d338f37",
    "signature": "0x4b1b4eed593e35b0910ba41dc4432c2ecc26acc21ce85a6cd3f78e25ee327a155ed295858461f49ee67f956f0b46cccf2249666448ac7474ae1deaa31f35a19d1c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}