{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69572",
    "entityType": "User",
    "nonce": "0xb9a0a0407c03aac051dde13a9ef0f927020a2b0717ba4e2e14168deed7ff7818",
    "signature": "0xf62bef5dd79c6bb7131d122da83a8d194ca8c18bd15fa4609f00c4f5ea671f8538cc8a28d9c2fea958fa48c4f65e521c04515e51c8c54edd057cf5b06a9e09091c",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}