{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40070",
    "entityType": "User",
    "nonce": "0x33aaff9aeb9f0fffacca93b1a9029620442b1cbbc7caa5f9fcb46bffe880ef81",
    "signature": "0xf4d7d54e7d930da4713e576a39b140b2c223865bcbe31166999f1930ecd998ae3c6cb279faf5ae03e9862aa12099152736d13a0191b45938d0fb64c2cd321c7d1b",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}