{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "326584",
    "entityType": "User",
    "nonce": "0xb779e9f8b00103d11d35ebecd034036d2f397809472fef74ae2399597bdb035d",
    "signature": "0xf36c6a90119ea486e92eba7a43bc6440662d3ee79f6372c12bac63161d4effd2653c3db5d3f6f88c57258e1853fd08190d1e533f9817be94e5af690c00bd8cf61b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}