{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61841583",
    "entityType": "User",
    "nonce": "0x1f0736d051eb1b90f34be3ecf86b7e17244950a0da80f60b4f6b5dc690f9aeaa",
    "signature": "0x44ad2f1249fde1f3aa5a1d5e26ddcf07160cee910744f7a6526b0f0e7b193b766c97d52247d71c412addc9b124666ca0f9ad150946e3324e603d6633abd5fb8a1c",
    "signer": "0x73C69e0c0a50f0E228106C863e362C350a86Af87",
    "userId": "190031"
  }
}