{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x738b5c3d2a28c0dd3d310e20ee85b947afd525c9797abd54cbeca8ba64bed4c4",
    "signature": "0xac7f1f93a351845b4a58af2e4b1f8d0139c195bb778ee876e47067531af3d81940a364d95021b29e68579237d5187a2506949d01eae2afed1f64baa4ab1b34291b",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}