{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdc891d20dd8c3e5bef0ed3926e8881bf2716e42e20ee1c8961ced5214cbc4b82",
    "signature": "0x3964eb5bf55620b255401b169e4de29f8a7fbf7f8117df8a6f889a2fd5e4509c0b941af4255a186e7dbe518fc063c042643e85adfc3dfd5be44bf27bab861fc41c",
    "signer": "0x2A7a6c9B33B7010A03f91e76F1E97EF24f49c30D",
    "userId": "801788406"
  }
}