{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb5e08b09e87598aec3d59bed7cf6ec69235c306018a69263b43c766081765003",
    "signature": "0xbad93a6db7de96185ab79e84f8a6d3e3dcce944e64f2719635d056342c823b421085d8b9ccbe6eee7e9c4e111807ff940cfadeb703b5a1161da751b3acedb6911c",
    "signer": "0xe5a18550Cf10F94bF99de3632A134D5faB4b2917",
    "userId": "602191690"
  }
}