{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf22b82c6397736ed063eda07a09d78e54997bb1be5711ee24c307999161d93c2",
    "signature": "0xe532565dd6c344ae7223a63a009aa2c590be20ec72260bddf6aa39df5e36ab780127ac43a5a534320c3d1a1fd5c9d91aeea54235318ed98ab3063a22ac37bc8c1c",
    "signer": "0xeaaDaeA3d82533Ad0D1BF4B88fd03EdE01320868",
    "userId": "457719352"
  }
}