{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956403",
    "entityType": "User",
    "nonce": "0x723c758dfc81e35697bec5121d18acb02232d1cc57f43db8e5d63ce6056d3c03",
    "signature": "0x149a8848679e45bb2899432c897ce7a6cb9865de30e8703c8103f0fd05c94f686f0ea0c2fddb31946a5261b03dc29957639bd5880ba4e8cf2edda8303b18f0d81c",
    "signer": "0xF08935327AeC6306C8d0eb92999567e5496848C9",
    "userId": "989073793"
  }
}