{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x188dde46a3e01e33feb4f08f92d282170c1fa2948485ce49e477b837e82facd9",
    "signature": "0xbc256284c6246ced3f23f685537aba4d8483424732e3cbd82b2f6d3d5d17b15d2c7557bc95093540b61117c70a69f3d875c6eb6f494dfb30efd59f478bc04ef71c",
    "signer": "0xdEA0024E9e64A994075cB4C61d7c05dc66B029E1",
    "userId": "74180663"
  }
}