{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x4f738c12dc5218b5eba149fbda27605a191f90ed23e3afa4449cbe075316d056",
    "signature": "0xe4fbff7744484c1e3b2f5a644139f79baca139a2351ce910d3b132c44e441a5d7ce713baac3a02577b5278afb98adc43002e37889b159b770266c6c7f285ecb01c",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}