{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0xac70b0f2610875787c41a36f387681932ac5413586cffa19c49ccb896916cb14",
    "signature": "0xacaf7e1954eb61387a55c6aed660155855717d827004de3edab889aeef3eb3d832ef7e35990127f977d517bf6c27a0831e28140e978f8fcd8fb76e0eec131d6e1b",
    "signer": "0x8347D00964B8c402D6Fe1261B2cBeB49958d7811",
    "userId": "186667247"
  }
}