{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2be7b65868fb735784341b7bab064b40df883b6c964b09ae096e55aa6995f2d4",
    "signature": "0x6935b162cf03565d79e9183d80ae72cad6b2992561bc94a6a2f441b94687c66f38c2df321c45b2667d78519990522ac2d8237dcc49ebb1f31a0a97ba260601f21b",
    "signer": "0x0F7fd9c30ABe9ca5535EBc11DbDe0ec380e78d82",
    "userId": "924243662"
  }
}