{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc53059064a7968c4bf926964199edb9c97a87e5595acacc9db1151d1ae9e99b9",
    "signature": "0x0adb0d75399f99bd508a832a8b177af877e1968cd71f15fad8ed8914a42029ca30be03d14db099171aad234ede27be45487c05c1e514d807813b863c38c27ea61b",
    "signer": "0x03e9Caf2aeac5a0F0e4Be56410d67A4148D38Fd4",
    "userId": "47828528"
  }
}