{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48247",
    "entityType": "User",
    "nonce": "0x4a95b5183ad2d5ed0a282d7abf318930fe04a013981b7e1f3ea9e7a5758aa78d",
    "signature": "0x8165a74990fcc66b37594d678115360a5ef48326a81eac0415805361ff70c1ff65f798845eb5f2459d932da1ef404d16741af6342071eb2cee2999ff2912fb041b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}