{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55376",
    "entityType": "User",
    "nonce": "0xff5065e6c258241da380198e35a61df4f49a106591d2c041d522331d4afabe39",
    "signature": "0xbfc8b7cc92d49c52d6d3dbfa79d2a1ef5ce3ed1dc73518a0346c4902eb824c2d0b847529649109e6c205934ba66f2f437d617cd78f254c377e468e573b0b64861c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}