{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "211307",
    "entityType": "User",
    "nonce": "0x4fd3c1bab264acd7d6982e705dad45df3c4392bd5e1d236cd334a8ada8ac37c6",
    "signature": "0x2a604c4657836062499a209bd4f1c8dcb395c76d771b98d651d1737ee222d41a491b2f9fe983c682557a8235f62c59af82e070b64dce8a3eedd996137972bdad1c",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}