{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "758745",
    "entityType": "User",
    "nonce": "0x58a2682273cca0076b63be225575f6e92a6c8e27326c58193099ce2d9847d27d",
    "signature": "0x61ff159c8285e70208928764966ae0f191d054e04572799a228b7d85bb90b49f677e1f61578cab54e663c6686e5d583f5621f70cc8f25632a27aea860df926431c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}