{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x8fbef1cbfe348a3e49f32031a885a374410fa74b807a76c0cf00030d9d8f6588",
    "signature": "0xb61ce7aff0d7d0311d0376c3c25c0fa8198d7228eb314f0644cec70d2941c25615c9828125f74ab9bb1c5ac8aac06970a7913972f27bb8ff4f3bcde07481be0d1b",
    "signer": "0x926E97DE3519e9C44E5127B13172d09681B55D04",
    "userId": "144930277"
  }
}