{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "858059039",
    "entityType": "User",
    "nonce": "0xf5c9d3f8db08b9976a272ca9579b1494784d055769a88366ad652daf85767f16",
    "signature": "0xee4cba8ffa09693c8d49e14c25bd28e7c9e84f454da37700764c873272251e1a59c684b29d3c276111004c414c1927e0be593ba548defe823b0bb375f19dae5d1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}