{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367343",
    "entityType": "User",
    "nonce": "0x859bb7ef513a12bee2cb47b10e6fb9385a270663d6074f5a075d954766f9e51e",
    "signature": "0x00c5a3ecd4c15ddd53b436b083ca85923e6cd2e621eaea07f356f534312b32857a791c2766bdc5fd5e594cf82ffeb84f4f08907916e60326023f802b8497a1231b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}