{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325182",
    "entityType": "User",
    "nonce": "0xb44df2ea7d51c199f36486c38d86413855056b82b141ca16e321dbdf084dab80",
    "signature": "0x8fb379a4fc504865265567f00d34153e7781b8de1eb2dbd92ab820d2a399075979e25c58e485a270fa944ac1bdfe889ab7566bec41b23c0aae065e26e068c2ae1b",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}