{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1931557",
    "entityType": "User",
    "nonce": "0x7e63d6120bd563026b59db464484904b668598d96164650665ca1e28d204a852",
    "signature": "0xb8426ab0fae7d4448108243cf7c266cdf31d673493da9b7a1423262b20b09ea4142710642a8040a0f48fd828a111997c3cc568c3d5b5f82d9a1e91af4a8ad3f51c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}