{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2180",
    "entityType": "User",
    "nonce": "0x3499a76fe2255439ed5c033a250461a29fed5d9f9ec535907c4cad9e34af43d5",
    "signature": "0x65f6e6f9fdec5c44d2dd9c13db240ab43a3a40cd0be27cef17f9a07a0154c9da3d92fe98207fe0652f844c1d6197001105acba1a6ca9418b934bae2f742702621c",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}