{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "188956",
    "entityType": "User",
    "nonce": "0x215c5d016948399c9d784d1ac3025f21505eb398acc9499f78d2e64ae3185d77",
    "signature": "0x883d400b709c7f780ad58fba8363e24c3f03509eacacd3934b0827ab930c0c2b49a87c4682e5565e7010baea4d8e62996d7b128d9acaf5e176c529406b3658aa1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}