{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcddcdd67fe9706fcc04e284ba12e74e9b48fd3aeb270f08d95debb72015f1a31",
    "signature": "0xaf416248ee97564d7a80982e5bcf84df9f3cc98a3676b64760fbade1005de6f0610cd4795653a2d289fca190d26a782377df7dfd679ccaa590934e3648824e7c1c",
    "signer": "0x97c53888b1C7E9324311A74242B4048C1A1c242e",
    "userId": "785576413"
  }
}