{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17689",
    "entityType": "User",
    "nonce": "0x5b18062bbc2bd501be2deafc2b0c3069d7e7cb5d2ce693da2394c328a8c504c9",
    "signature": "0x2364961e892eede8bddc066d1e0eed45d549fdd0809e5cf29cac0907653565db46a41adab17b3dd2196ada908261997b6c587d98909fad11f5dbcb859836acef1b",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}