{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "128010",
    "entityType": "User",
    "nonce": "0xee645fcf437d009f277500cf647959dbcb9dc9c06c06433776e4fb172cb388ba",
    "signature": "0x5f22959df84acaad8b42312dc5f2ef4db85a0ab14917430f0029f07b809acbfe4d12deaed47a5438863bb77bbbdf00c477dab83efb9b15a4be4f00cc431f421a1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}