{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0xb81fb6214a1d8ceb44ec38a4d79a2116c1ac08ac29c4698e23a42fdf69db5c98",
    "signature": "0xe5865e131aea5265588b54293cdd0dbb3106a01c236e5108785e3a898759b1c0691cdcdfdfab37d6a3b878aa2353511b31c6442191de0d94be27b3355a79a37b1c",
    "signer": "0xFc088F13d4a1Ac06F16750acE28481185Dc8c881",
    "userId": "168139737"
  }
}