{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "467213409",
    "entityType": "User",
    "nonce": "0x619d00aa12daa9eea59de469ae7282c98d573cdcbd5c3e12d73f637fc9aa0d25",
    "signature": "0xdd8e3acedf62bacdae532b4e87972d6cf3f2733e2ec3ad2b6609faa0dd666aaf6ae18c1d01073695f2400ccce6409b745a58921e83b0db2738fa19d709baacc41c",
    "signer": "0x42cB1e20D724BD902Af64cd85c700BE6118500bD",
    "userId": "47154652"
  }
}