{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc344d7d49c4f6e98034e0dd90ac1106543d8b9fdf1f0e8bd5c3560981deb91d4",
    "signature": "0xdb94f0d939743e0d9441e9161d8215e56b778271bd0eee92537f36e05285bb14634d1e88de765752a6bf1c29aaecf3d6f45c5e9201f3d1892c092ef6bd55708c1c",
    "signer": "0x79D4a638460cd4209c5C1e92eAac0854961390Cd",
    "userId": "332669454"
  }
}