{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17689",
    "entityType": "User",
    "nonce": "0x132930f31fdb568ba4c2fcaae967bb7c9aa9a546a13da2dac4207feccdad889d",
    "signature": "0x4192897b47e570e2f55310bb92072896c68689c6b381c5de845ea4d388e8c86804ccbd0a67614065587e03ad614da0c2a9a55dfdc91054324141a3855d71071d1c",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}