{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "145144",
    "entityType": "User",
    "nonce": "0x79971c84eb5d4dea52f07d4e54d739a5c1eb49cde207682b90881fc5cb7b2857",
    "signature": "0x0992efc3b842ed7e93b64e9464c3876efa75adc4b51623fd1e287c5acf2b3a8c658847e7bf620f30309fca32bf8e156da6e7c5c52e318a53cc910eb35b9456671c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}