{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "320009",
    "entityType": "User",
    "nonce": "0x7094aad67806be9a8fa66993cc5ee825dff93b0a741254a786cc3a159c90a7c7",
    "signature": "0xed6bb9c82e9b7de56936e86d3742c6a2889ef9836575cc29c9941a0d98acdd243606af138db7d87775a103490baa00d15f2be0bc7d0ce39ad9993838a1a7bcf71c",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}