{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "488430169",
    "entityType": "User",
    "nonce": "0xfad49f061cd3cc6b9fe474f02c0e608289ebc42578bfa09e82b891b28a8d9563",
    "signature": "0x0a53bd3c052edc6d609a8431e39de3897831a0b95f86e17c247aba8144e213d76b06ef01c3ef713c60765b1d608a5fd172c34a75ddf4904b995ba576add250171b",
    "signer": "0x4D1242D0da3f49195E59794290Cbfd833cCD04FF",
    "userId": "627952347"
  }
}