{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "138063",
    "entityType": "User",
    "nonce": "0x8fd917d5439c06d0ab120726fb702fa60cf25e064c41ababfb0fda667341da01",
    "signature": "0xe6a1ad9983f2207df2d8d0e8c23bed295007317b019b23daee45e27a62c43c501b5676d65cfe827c6824f87ba793fb200b11d98f6474ef453a9026bf42ee630f1c",
    "signer": "0xF11F60bFb591E532d6E71E699ddfdfC58f377CA1",
    "userId": "458027684"
  }
}