{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11931",
    "entityType": "User",
    "nonce": "0x3418291f60072ebb9b1e26d841dc81afb456897248f4cf255d540e597cdc3c18",
    "signature": "0xabdd7832edc190b3049ae117b7e654592d59bd9a317e23ccad6f3d3ed925dd4b4f8e69ad470ddc9a8c0db03b3dd6993e87af3ce6e2c4439a18438017395ce0211c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}