{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134227",
    "entityType": "User",
    "nonce": "0xc45c45c6920909d5826a81a2720a1505303fdec3965378deeced15bda8a6fb34",
    "signature": "0x75054a37c8ad6894f222f637f45e049e602bbce489fdb1c15fbbf38918f821cf79619702475f913f2fa05dea418491f7d3583309145a03cbcc94ffbcb14a81a61c",
    "signer": "0x96e9FcB3bcf2B4B9B7347B5ba96A6a8813527DE8",
    "userId": "319177310"
  }
}