{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0xbdc1979d49c056edbbddcf6d3d3672d940a8f9ed658fe9c5658aa0f67ff91f5b",
    "signature": "0x03d3fbcb8cf4df40810c18c57feaa542e65993d3ef42b87221bac658440567c67bcf479ae575aad3cf7cb6cc4b91256c243e9d7c199a354b7446bb47b7a6cc681c",
    "signer": "0x7C8aaCD05285e30d402BFF67359FCC5d87133207",
    "userId": "621738482"
  }
}