{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "34391",
    "entityType": "User",
    "nonce": "0x1568056681d56dd41d42eea59a9496c485eb45d85e809b837f21b989f17e0fb8",
    "signature": "0x3786325b760245261da9a274ddcf85edb5130220b75f1441a479aff235e6712743aca81f9418756e209df98014e59cdf12fb4230f36fde646375c68cb0e634ae1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}