{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39477",
    "entityType": "User",
    "nonce": "0x4f6f45705477034df9ce91be2b7d3bd40876a636c37d61c15adc9bbaf0b08a91",
    "signature": "0x4bf8f8c8bf2e7294bcf0b1d18b2ca8c3bccaaa8e54aae12994c250954e212dbe1210fb60effcf71c04da77934401e9c8f02e59b422918f1c9d8d5d9b8d2303f21c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}