{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954705651",
    "entityType": "User",
    "nonce": "0x4b47a3b3ab4d0d50a80738169953f459bc6deb51908d54c5161b48ab1fdc9c38",
    "signature": "0x4548b306b305f22be483090ffb4f2e5bc0edc2716e0f772af88d0aa97a94413854c35d6faa0a3a05fe7a469c91936158d5abbab4b2c8c2cb0af12c842320559c1b",
    "signer": "0x1D9e1d82A512b9A5b9b44ca178151B46959E9E5a",
    "userId": "888092692"
  }
}