{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125999",
    "entityType": "User",
    "nonce": "0x72fe64f958a1a4dd200128cac90fc276a4da660dc2065f33c3a9b6a76884efc4",
    "signature": "0x0c42dbb2f251e8b458a1f19befdef3c4e5a0d9c7e478069fe8a4f7ab00b9c38d1005380720ce961725b284ffb9dc68867141ee39bdc4d98189679a1ca1cc78021b",
    "signer": "0x46e7101c875D60D850099f5251d848716a5CfB80",
    "userId": "87961106"
  }
}