{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "182428",
    "entityType": "User",
    "nonce": "0xdddb0f16b57e9bfc5ee971772cc173767775893d6d78416ca6f731c82f5c889b",
    "signature": "0xa9cc836bfbc2d8d3b2e1009fbd9b26ff5500e0ba3d8457b17318da62cd4a6d4a18bbcb79246336dde761e25290357250fd633b5b66df6b3e1798c3e92e3579181c",
    "signer": "0x1080460F21DCc82D7160d2C77DaAb22a92c4dD22",
    "userId": "162106877"
  }
}