{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xf73572caa554439a7c1ed75024ad28c16b16d7b04af2a03d21b7af8598be6260",
    "signature": "0x3e6717342df71a803ede5db2ca3b596bf025b155c14f55fb09ffc958eb24d23e08b1c3798a97144c7ec09f9f504f7c33f82a48a2d4a17d30fa1ea810027686cc1b",
    "signer": "0x7FCffbc9FB7516A6453F59c5b9918Ea8A7EB33eb",
    "userId": "502388335"
  }
}