{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "359566690",
    "entityType": "User",
    "nonce": "0x76cdcede958fd7d87f1f0eef117d482f2fad4dac066f8a06021550854b553b72",
    "signature": "0xcdd358036c436591e8d6c10a9e755834d030e7b37cce66bfbc7a002182cf83bd77fc5b9fdec334d0482a5237fcca2dac68c824dd315ab192e6cd802fc837aa011c",
    "signer": "0xb15e0969937058c681E67343137f40F72F50d99F",
    "userId": "790717795"
  }
}