{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa8f83be3141c6dbe8f6debb92688493b123e001048b450886e7a3fdaf6c0dde4",
    "signature": "0x85cea00080e75ca9b9afd1a10984511cbd2a995d31d554a13047117c871c14c70b4127caadb304be3d8e966bddbe49197280e5453264da72051e478fb73a9c8e1c",
    "signer": "0x05368a8B3e1432dE0b2804d9792314E86348918F",
    "userId": "270874896"
  }
}