{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "130663",
    "entityType": "User",
    "nonce": "0xcd2ccde470a27c32dc5f38b51cfe28a6b22bd234e05864f9822a728f2e17c352",
    "signature": "0xc6b7d831dd8aed45450b31cea6f24af2353e9e8acaad874602c237b2511216ef5acff78a957550f81e367cb661267c60950207f407247a59157dc888de493cdc1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}