{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57055",
    "entityType": "User",
    "nonce": "0xb6fc8d701e75e7f278737ec9641df603877b7efd59c813b194756733e073ec37",
    "signature": "0x6e42c9093b2e0a7f6a1730081d90271c7a1f33853fd84a080c89f5eef0be02a529df720df4bced2b06b69d8eb2634223764acca9dd0d5c1fb065fba166eb0e9c1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}