{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0xe6ee2b1cd5385732ee40d3e3c9e439d20ef2f87ae20f51880c154efa681877d5",
    "signature": "0xe550e11db4aacd9cc22da25c5cc5ec5b10e5f9190c8193508b5e47dcb9d5b93419b06f72701ead862cd5aa4a25aa1b54c3c5d7d584e00ecae3f5611582acad4a1c",
    "signer": "0x4ab505DBD73CB27C1457E037607E5fB3B27915f9",
    "userId": "186630"
  }
}