{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "199103",
    "entityType": "User",
    "nonce": "0xa6eaa1771120c2a208599fab2455decdd965304127cb767fdfcbb357bc19cd1f",
    "signature": "0x8c37fb37e78976bb9c23f095e29dc989e46123c7fcd3390e7d24dc01a3eb43196672077634c58160ab4340803bff5b4121c4869f86bb3c43c1c8810aa08884771c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}