{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "354979",
    "entityType": "User",
    "nonce": "0xeeaec9e1dca383f9a63ca89ebd714cd76d15b084edcee13b0ac6c849aa8f1ef4",
    "signature": "0xa7965a5d20be7c25b08782cf45586202af41892c204f07cb44a60312a7effaff07f5acaa2fc50733efa7f559c8b9bdbd7c739ef1442a0152d46bc75873fe390e1b",
    "signer": "0x2Df83D15c880275a0138820cE2009Fc85eF32C65",
    "userId": "107618708"
  }
}