{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "85349",
    "entityType": "User",
    "nonce": "0x923e648764c7c885fa2223fdab8027dc65b8fc722b88d0ea02346f1d520450d2",
    "signature": "0xe4cc760aa0b0947af7b206f4c5366431b35f4046d1c7d08e623a68165b06fbaf6514d69220bc3ab3192bcfe84e5062706d7d6cd633a977c94c38cf03917946201b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}