{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56960",
    "entityType": "User",
    "nonce": "0xffa5ea2764e850cc997b209a0417d03ab5d0115c3811f7d370684294cdfce049",
    "signature": "0xcad3ef643d4b4f53cadf14d1326329661678a203dc15c3683a5b3ee16bd78a5c00dfd865fa90c2c9ac4308724a90033e9e037bfe377d2c33adfd3e337c25e2981c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}