{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18672",
    "entityType": "User",
    "nonce": "0x3ae0d2131a68d09c5d30aa40b65ddd1730d9d31e06a66a62c0f46473be7c6ddc",
    "signature": "0xd0df6f00bfa32b020cc587fd89fc5497616ff023ac9dd1500d71c10b3864cb7f2caf3449319704bd377a5264b453283a65076dbac7e7094813b02c4a151cde961c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}