{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30380824",
    "entityType": "User",
    "nonce": "0x84806584ffeae440bcbea04eefb203f4c665cfa96ab12f2f1fbc41dd418f5d5b",
    "signature": "0x0b8a40545a54d4d052d467ca1dc10b1ff9076df91f061c483a34a4f3e848ba113f3ffc631a6e044c6ce25e89ac1056b5b21947318df4e77710f203b08c55fe9d1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}