{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325624",
    "entityType": "User",
    "nonce": "0x8b70add3eb9c1126c8654e7d40c66250727464b39e7dd512d52e35dc267dcd53",
    "signature": "0x79643c0696957de711d4310f2435753011d627c6c530fe4f558cf108c274251b1a115645dd899e51130a522bee84345241bc7f4ef2f19940258fe37a5c0dade11b",
    "signer": "0x919673F6f05556E55D1c9759325eEBE26D865DaC",
    "userId": "243601242"
  }
}