{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78148",
    "entityType": "User",
    "nonce": "0x087b100337de0b7ee458864efd5e1140d4cc279a9e7694574cff595fd92f838e",
    "signature": "0xb1a9f97595065a375b1686f6f18a4dc840e834960e0bf47c159a29a280aeec78788b7e7ee4d14c1040fdf9893c34ea48d63307cc5298e9220bf0b03007a529c41b",
    "signer": "0xe23805679cAc18775E29FC76E4E9e8D681160D1d",
    "userId": "34149681"
  }
}