{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "970214396",
    "entityType": "User",
    "nonce": "0x72dae2e77d168ac03f72bdf6b9b11fb8b4a0dc5b95310a9dc50296e68282ce24",
    "signature": "0x25f33c13dea8c28200863de8816aca23a8e3efffd3ef51b88dd8e673f65e297a2ce9962f98726c7146c9a873c2a6ff4616944fc133063cc1328cb86f1d3179651b",
    "signer": "0xa185Ff45de6FF68eAa1d7ceC338cba250810134c",
    "userId": "54166466"
  }
}