{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136139",
    "entityType": "User",
    "nonce": "0x79ce0454edc753ef6b918e50f2f47f3c58ac1c4e406187a381c98e527782ad07",
    "signature": "0x594cc21c366d36f1f6acbd65be055adaebb35f801fc63b352d676901bb723090007e93fca1455847fd08e4881b0bf5f5500d28c5f8462ef910528d8bff9fa4991c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}