{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "131458840",
    "entityType": "User",
    "nonce": "0xadcbfc6f0ca8cf2d449326fc8a91ad38d8f9fbdf9cd3f18be77f77b6e3564ea4",
    "signature": "0x7d41557c6fdd5067f1536409b87caaf6c4da46d1ab25871310c4089756386b1a3bb583f5264a040c61247dd1d3df518f2cdc16aa10631e43cbd29bfe9610a8801c",
    "signer": "0x4741328F82416fba2E652618e43B31eE6775B282",
    "userId": "226554729"
  }
}