{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41877",
    "entityType": "User",
    "nonce": "0xa7aa1c31bb8052ec2b089b9ae9549a2ff6c69e632b847831795d0b13ad48018a",
    "signature": "0x84db7d888c6f6cbce4ded63b7492e4fce8765a4eaa97b5ae9d6cf0477a10fbc5311578d4836c15f7fc5a2b19d6be2140d801067fbe1f9ef5b8a318e59c73dfe91c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}