{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcc8a75cc2b3f46fccd0bb8caddad741d0538c4be8d0d37ec730012ac644b0263",
    "signature": "0x7ead356c9987617365041b290d404e35cc928adc44af4dddef2735f5aafcb0bc39fd731c4bde272d1dcf6a6e1f2a839686925ab0fb3e2da87af2a83a0c073c5b1c",
    "signer": "0x1Fe05d3772e043941b39E011AFF502f67B3457d9",
    "userId": "253543297"
  }
}