{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2047015",
    "entityType": "User",
    "nonce": "0xa056c2dd6ee527c6e66a12d8dfc4e58e522496081628d040096d0dd61a42b7e5",
    "signature": "0xeb8d5407724dd08847dc7bfe0f01bd35cca18ed80bf6cfef417137e61f664e4629062740740d298d0bce20941be107f2c101d4b46d961db94d741b7838c6f2a31c",
    "signer": "0x9436FA87F6c8C3aa9e0F0fc7960566dEeB9e23d4",
    "userId": "390992303"
  }
}