{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x313b3287add4e630ae8962038491e2c6edc1a003e118ea5f496c6d1ce40f2a9c",
    "signature": "0x0a7d6b6fce6b4e76724840da7fb965869d6edd3d3ef14e281cb23bcfa8024caf1d50a125e070a49476c7446365fab726702be037d5ce098eb09a15942c9692811b",
    "signer": "0x766c41F0daaFcB26dddba29065176838edD335AD",
    "userId": "551313975"
  }
}