{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "388878",
    "entityType": "User",
    "nonce": "0x6024546d1e8674db27712de9e32419645bbd74533475804ad409ccd194966be9",
    "signature": "0x54c2980ef564dde99b6b5ad0cc8278291844f105aba66865bd5dd6794639a8262d9c8cd79cf870b7369f9c33410bce06efb1e85e31aee03038b6f4be19f53e4c1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}