{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43560",
    "entityType": "User",
    "nonce": "0xd1e633b7111e74bda04feb6042e763652d6998133067b0b990c2d34b47185aa4",
    "signature": "0xff31256078c55648172715f387708d17a02217519acff9eda135615dcf60bb813889ea4f710daecf19e181633708e8169bf00db4d865512c313cf991c38409551c",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}