{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "217280",
    "entityType": "User",
    "nonce": "0x48f56a29b52b269529f0fcc8d5e0b839c42ec44d3a6c733eb1abe81b70e2796e",
    "signature": "0xdce77efcd6e98f7706380db0393b5bc955a8be0c39862f7e2141de4db2ebe37036f2dc9542db1f0ad052b185075bc16c0fc18b6c8b6980abc623226a2e59d6991b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}