{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "797372957",
    "entityType": "User",
    "nonce": "0x8e5eee6ec8e5067755edcfaf22cecb9d212248b810ca07d3af84ef33fef1729b",
    "signature": "0x7f7b5edfcf3799f45e99aebb0b6e7033d7f737e2b3f23f90bcb17687dba21e68339a0d8516ea96ab3dfac96bd7ce7a7270baa38fa6395fd64a5b02d9136251391b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}