{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146510",
    "entityType": "User",
    "nonce": "0xe3627cee774a266446473dd81a412513b65c1e5dcb18f6ed35e301a1e545d390",
    "signature": "0x066226afcf180ced4073ab16a8b69bcadfcb721c27c7d6bed7c4c80c1240b6b8535614666c17e3d34c20ba03da2fd5e1f11cebee8efab7fb9b17b269c6809ed71c",
    "signer": "0x1c4Ee34565eE3A8304706138026D7518821F356F",
    "userId": "584804802"
  }
}