{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "167051786",
    "entityType": "User",
    "nonce": "0xdd6d9520610bd12f63e9c491f41f096e7b69e539f97139f85223dd34ccbca57d",
    "signature": "0x11965c83743436f2051cdbe5ad9995627b4c31e160aa47b565fb2d080964bf2235cee33dda2055c265257e780f41caa924206b6aa4fe447987488bd49fd3850d1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}