{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x0d1e173366fd171cc917e14f725c27c845703687c2e80af83868edf47ebae998",
    "signature": "0x5991ae586e1acc827b27b3651f1c1c3a0a40492df37140e3627db090cf2a33bf429c882b54aa14bb2b04de2617ac8943530ff4d8a029f08b1284108e009951241c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}