{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9160",
    "entityType": "User",
    "nonce": "0xc225421172960826eb0b4b284d26e82887abb5ba510a14530c90a19df9b734ee",
    "signature": "0x4ede2852a017dee18ba08a0210f048ae56c88dd5b631fc22c4fe602e0e6e3cdc2b4df08b56c6cf4940fc2376ef04a9846eca3d9d7cc38287d3654cda0e1f75b71b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}