{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "133970929",
    "entityType": "User",
    "nonce": "0x65ecde94c6cd52f31d21dbf3c50b3fb7099a12f158f6899ced3c47a353d85c5a",
    "signature": "0x86fd7db3f6a1ed1f2c4a495c90dfd11be52e76c33e9face5209b075ac9a4cf5d74513e9842f61ef1e7d133a94030cb82ac9f588532d1016c4afce2762c20ee8a1c",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}