{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "165011074",
    "entityType": "User",
    "nonce": "0x8b9e3be4c0d054b8bc4d6da64c9350ebcb19378ca0249c8ffd6cf205b4358e3e",
    "signature": "0x16d525814d9be770481c832a15d7c3ed41f53ebc0364ced34494e8ea1dba0be10dafd43938e15961608816963d31f9609c41a58bfcb56b5d26207bff8fba94e11c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}