{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12129",
    "entityType": "User",
    "nonce": "0x0998d42896cc340e69a864d0af1fcadfa91eabf423211531a3a02ad96ca989ed",
    "signature": "0x166d3125362d9075667cb495498d557526db458c28da8a8636cc7c19746e212832049c469cd47d7a9d4eb24ce714dcdb185e8ece9131bab471c09c3a26e544e71b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}