{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108580",
    "entityType": "User",
    "nonce": "0x76b4f26466802e22c1a7b52e6c1a7b790d95c7205f8ae3412647d3a1e771e732",
    "signature": "0x141362bc5f780e0120748a3ba234376ff93c78690868fead1592a05c15d4918d2bddfce0c9ff3e5b9acd28d852d607766d2f171ff3f162e27c39bc70a729518b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}