{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "79438",
    "entityType": "User",
    "nonce": "0x11c83b3b5be17abeab76b61c432d8a9e19f523163e30f3a2b64bec2db446a558",
    "signature": "0xefff942d9fc52a7d5e76de0e56a7e90e11de0093dfdaa72ed5e8b102d515bae87b5be1cc6c96e1c86371a0ce11129b1aa56d9a4fd2db8813bfa83e4b26724a2d1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}