{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x81375e04fcbe73b95a60f8d4cbb5742f9b7b32d25043c738097f9c23892afac2",
    "signature": "0xc3601909808c9b215242b50dda1daba7038033324bfdc51c851ad3cd7bb3bfec1848c42aeb6f99631a8559a3c1f8b1faac06ce5edca6acb0b53af15885ec31fa1c",
    "signer": "0x7Ee73be5843A615b1fB410Da95624Bbf08649369",
    "userId": "773010794"
  }
}