{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "81372",
    "entityType": "User",
    "nonce": "0x9077f94a5ba4c6d29662ef02c98d694bb63e776cbd8d090defd3dd74b04d4367",
    "signature": "0xd2190aff090c34f9bbf442986098a0b662c0000eb2b9f525474c2d8da533cbdb6cbe79ff81fb502762f0be421a1dfa09a0ef31dd820a84edee207b15840ce4a11b",
    "signer": "0x766Ba5816f1Cbcd9649d3b301b8F423CFF252fdb",
    "userId": "758745"
  }
}