{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7465",
    "entityType": "User",
    "nonce": "0xe624f3c93c378f6c8dbce744c34d3769a94c7cc8b032d300437d702a98a595de",
    "signature": "0xbc961444b0feecdb583feccfec2cdfefd8c27206f3255109bd40e4eeb010c3012345a33a462b5e0dfd25eeaf5b036b8fa30fe06ea4f0912c3b6369850a299f3f1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}