{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "629707907",
    "entityType": "User",
    "nonce": "0xffcd7bc154dd4a5179e660f9a5cd166d55656f007dff84565286cdec9c55767d",
    "signature": "0xc6b26aabc84d0a5f1f315d0dc0f907ee0e561b14730093e3088b772063267dde1bb8c01c6c53d36624b9c68ad461f9a0d695bf508860912fe94bde47743402821b",
    "signer": "0xC9EEB0faA4D14a419d722e9009ad046383236186",
    "userId": "59485339"
  }
}