{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "167250",
    "entityType": "User",
    "nonce": "0x7700be16bddca151e2b95b3be1729cd187963fd07849124c624cee4781349daf",
    "signature": "0xf3aa73a973b7a5932ab7714ed525905ba6012244f5e8e36ebb68ae75df92e9290b2b101c140e2d86ecfe088e482fb8d07b663e49baeabbc93a6162e9481a7b1c1c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}