{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "735700",
    "entityType": "User",
    "nonce": "0x89c0cdfba9f8868e46469b32dc6f370de3c38f864d1288259533a0df0b857f62",
    "signature": "0x5b097b257a8981952592a160de9ee5586d19150923835d25d6c82f3db87b28254082a13f8c1c9b81b1d87fa819d8a5ff70dfef15a4ac9ab39d9a506c510f66f21b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}