{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6256",
    "entityType": "User",
    "nonce": "0x5d206a4801912e693cb9e2552ff877c40cb56059d05a2180a763d9dfdc5ff88d",
    "signature": "0xfc6f6815bf9a7b65db485b072e37bbf132c20d9044358a0e145f3d136757668b266cc484ccee295aee0e285c775d24b9c2c99412e2c54acf17d933a6cbb597461c",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}