{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfa0ad3d22d89d2197a11e6c0b91ef086397b0c81bd8b9b4bf646f53ae092e59d",
    "signature": "0x960b27b58633788b896594860c967d0987d8f498eb2191429dfc5c7293d7bfe40b24509a01bff154b6d888e1697413363fb4202754174f6ca3e694e562861c591b",
    "signer": "0xb165ae121a5F5cDB130437434b9EAA81c2f3434D",
    "userId": "885377074"
  }
}