{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102270",
    "entityType": "User",
    "nonce": "0xa28926c05a4f08478338b3437f2755fc876257c996922e7de1069a9c17ee5cc7",
    "signature": "0x9b6eb5f9867fe613ddd7255f03640935654bc2e05a38761f1d6a37f5572c76e2422b8fe1882cf9f1f93943c61ede5397f422164ad38359d1b0e3d8704ea0354d1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}