{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "172280",
    "entityType": "User",
    "nonce": "0xe687783968bc8dff49ed522440f07269a894aba5575e291257b2e1d3b0bcd6c0",
    "signature": "0xfbe25d5ffacafb2a69600f823bedcf4fd9b2d227a0a8a034e14e1af51a055c8f0fd8fd3863b0d556ca64b3ef02404f41bd3bc5d58277e331fdc43cfb032860d21c",
    "signer": "0x3D8B2928f8C6d3a1605187DacEb37824a527A1cB",
    "userId": "394450"
  }
}