{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1646095",
    "entityType": "User",
    "nonce": "0x76e4d63a3897348d1c8644d536e07514c577032938e379352d44720e7147e0cd",
    "signature": "0x2838ca0a3efcace8312cb78890d5b2a1d2634975410e45881fead4b390e0347b636a27d778add416caab3e66a006aa06e5e6452af25b952f6fce5308c0627e641c",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}