{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78148",
    "entityType": "User",
    "nonce": "0xa2bc62614a8f476dbe28dfda06f9e076c8666c866a828fac30633b458828a729",
    "signature": "0xbc3f9ff4a9ed7dc68d08ecce4bf6df607b35d1e8a643ae012a877213af299de32aea4f6fb0bc2571e6c93ea0cdaa035c3d6a7437b6551c1cad50e44752f412e51b",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}