{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "986621",
    "entityType": "User",
    "nonce": "0x1c2dac8da6c2ad7e05fce3842d7e3d75957f4bc442b3357f8240f9c47f9d5bcd",
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    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}