{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "361777347",
    "entityType": "User",
    "nonce": "0x5971438308d748dd1ceb8d5ade81e90e69828f10f33216cea51777ec29438e7d",
    "signature": "0xaa12e6a921bf341b0f8ad20e695b52b6cb2b2922fefa9631cef6c560538c1b7d44f361b4cdec3956381a0de53131a5f465b4578a14013e3257c402988cd0ecdc1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}