{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "354776",
    "entityType": "User",
    "nonce": "0xf9c24c04fcd803d0ba34ad7a51e98a679f60332b89f685cc895286a59cd84048",
    "signature": "0x26a48b9a3b0a94d360614cb4ff5aa21c8d01d0503d676e9e2307a3985d50f65172577b493e7eb6cea72b74d3f406eddd1ded5ed506bc56d7786a5fce11d53a591c",
    "signer": "0x5f5c275c63827eb9890bc977eC655FB8f35D5e65",
    "userId": "368564767"
  }
}