{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "370812",
    "entityType": "User",
    "nonce": "0x66ab4356f7bf7e38d78edd9553b6f42554fc1cdd5bf1a638a933436fe6d4710a",
    "signature": "0x4209e4e0e3581586faeb1b321e34d641e7e8980b463818c1f956156cb7650c3e76ac50d556bfa249395fe0d32fcf36d00b1de0da84dc89fba89c8d1c882966c51c",
    "signer": "0x385724dD7df996433e732c73201a749C6B37f65A",
    "userId": "260480467"
  }
}