{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28877",
    "entityType": "User",
    "nonce": "0xbd049be09afaba279017eaafa236002bed713b3544a9f8c0a2279d60bd959947",
    "signature": "0x26f19d35374e5980f610f23708fd7cd9fd3616310733f2ed58e458818efa464b500fa4e3e2acfba214658217c81cf82178ecc811321941242708662fa73c08021c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}